line of position

简明释义

船位线位置线

英英释义

例句

1.The navigator used the sextant to determine a line of position, which helped in pinpointing their location at sea.

导航员使用六分仪确定了一条定位线，这帮助他们在海上准确定位。

2.Using multiple sightings, the crew established a line of position to confirm their coordinates.

通过多次观测，船员建立了一条定位线来确认他们的坐标。

3.The pilot relied on a line of position to navigate through the foggy conditions safely.

飞行员依靠一条定位线安全地穿越雾霭天气。

4.By drawing a line of position on the chart, the captain was able to identify the closest landmass.

通过在图表上绘制一条定位线，船长能够识别出最近的陆地。

5.The line of position indicates our distance from the nearest shipwreck site.

这条定位线指示我们距离最近的沉船遗址的距离。

作文

Navigating through the vastness of the ocean has always been a challenge for sailors and explorers. One of the critical concepts in maritime navigation is the idea of a line of position, which plays a pivotal role in determining one’s exact location at sea. A line of position refers to a line on a chart that indicates all the possible positions where a vessel could be, based on a specific observation or measurement. This could stem from celestial navigation, radar fixes, or other navigational aids. Understanding how to utilize a line of position effectively can make the difference between safe passage and becoming lost at sea.To illustrate the importance of a line of position, consider a sailor who is navigating using the stars. By measuring the angle of a star above the horizon at a specific time, the sailor can determine their latitude. However, this alone does not give the sailor their exact position; rather, it provides a line of position along which they could be located. To find the precise location, the sailor would need to combine this line of position with another measurement, perhaps from a compass reading that indicates true north. The intersection of these two lines of position would pinpoint the sailor's exact location on the chart.The concept of line of position is not limited to celestial navigation. Modern technology has introduced various tools that aid in navigation, such as GPS, which provides precise coordinates. However, understanding traditional methods, including the use of a line of position, remains essential for sailors, especially when technology fails or is unavailable. The ability to navigate using a line of position reinforces the sailor's skills and ensures they can rely on their knowledge during emergencies.Furthermore, the application of a line of position extends beyond maritime navigation. In aviation, for example, pilots use similar principles to determine their flight path and position relative to landmarks. By plotting lines of position based on radar or visual references, pilots can ensure they are on the correct course, avoiding potential hazards along the way.In conclusion, the line of position is an indispensable tool in navigation, whether at sea or in the air. It represents a fundamental understanding of how to triangulate one’s position using various measurements. As technology continues to evolve, the essence of a line of position remains relevant, highlighting the importance of traditional navigation skills in an increasingly digital world. For anyone interested in exploring the vast oceans or skies, mastering the concept of a line of position is crucial for ensuring safe and successful journeys.

在浩瀚的海洋中航行一直是水手和探险者面临的挑战之一。海上导航中的一个关键概念是定位线的概念，它在确定船只在海上的确切位置中发挥着重要作用。定位线指的是图表上的一条线，它表示基于特定观察或测量，船只可能所在的所有位置。这可能来源于天文导航、雷达定位或其他导航辅助工具。有效地利用定位线可以决定安全通行与迷失在海洋之间的差别。为了说明定位线的重要性，考虑一位使用星星进行导航的水手。通过测量特定时间星星在地平线上方的角度，水手可以确定他们的纬度。然而，仅靠这一点并不能给出水手的确切位置；相反，它提供了一条定位线，水手可能位于这条线上。为了找到精确位置，水手需要将这条定位线与另一项测量结合起来，可能是来自指南针的读数，指示真北。这两条定位线的交点将准确地标出水手在图表上的位置。定位线的概念不仅限于天文导航。现代技术引入了多种辅助导航的工具，如GPS，提供精确的坐标。然而，理解传统方法，包括使用定位线，仍然对水手至关重要，特别是在技术故障或不可用时。在紧急情况下，能够使用定位线进行导航强化了水手的技能，确保他们可以依赖自己的知识。此外，定位线的应用超越了海上导航。在航空领域，飞行员也使用类似的原理来确定他们的飞行路径和相对于地标的位置。通过根据雷达或视觉参考绘制定位线，飞行员可以确保他们在正确的航线上，避免沿途的潜在危险。总之，定位线是导航中不可或缺的工具，无论是在海上还是在空中。它代表了如何利用各种测量来三角测量自己位置的基本理解。随着技术的不断发展，定位线的本质仍然相关，突显了在日益数字化的世界中传统导航技能的重要性。对于任何有兴趣探索广阔海洋或天空的人来说，掌握定位线的概念对于确保安全和成功的旅程至关重要。